We find there are a lot of homeowners with shingled roofs shortening the lifespan of their roof by not cleaning it. Research shows that the bacteria within the mold and algae on your roof actually feeds off the limestone and other materials within the shingles on your roof. By not cleaning your shingle roof you allow that bacteria to grow and grow continuing to eat away at your roof which will shorten the lifespan dramatically. Insurance companies have caught wind of this and are now dropping homeowners from coverage who have dirty roofs. Check out this video:
Clean your roof so your roof will last longer is the bottom line. A roof cleaning is a great investment as premature roof repairs and roof replacements are extremely costly.